PRP · Probable prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '1361515375090273949291514072171905996725725745248877656392491115947834392790389136043296098374094391504469513339236765259454033784591683626147506750743617657691823412913268323692478969522188834446029120299880171957707426374604186626400339058398977222455570869156359041906666540366077304935764614833280866881921821598193798978242640655216368730150294116470183302123749788839524106744058825760553103672721420233350419993528385934818031315990926014158275903174254710265406094573635839151374998113613074439388256565060926983837519111817479155803889651620050287245959136751723630796369130112917782085245493414444086416431320895072125862670077114607503561418758574291798936883262171187371636989748553537568080525791048271129571416818486754375496463900826225619477133286833336657877626582985014540137338259360025170861861070832594645933106279807822984170669876020976481066684444524071506201397851247540240215512357900566575842084751381362147263146116409727807176708884258891720049413860144151776845946128741646787308061934161312418322102319026087247607859761397502781964637766601375468262589978814230360203352172821808655268320939473925719976982862288372020167461813850472731472983610318672009789671015376697045382561450395869083617989039433400207771149694523508555163511692515919198077559088126461453302973052983081452894083929042613325373945274996101851956370381447156501423298934764793241605879071483514925213930027051123503759092849230126700500531455984382070913854999795532029332405146937373494898407118835983144643545000679221947836368748085167122494237748327744307004131398844128696878198241437760565089191938075571783895585781226821556576841' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"1361515375090273949291514072171905996725725745248877656392491115947834392790389136043296098374094391504469513339236765259454033784591683626147506750743617657691823412913268323692478969522188834446029120299880171957707426374604186626400339058398977222455570869156359041906666540366077304935764614833280866881921821598193798978242640655216368730150294116470183302123749788839524106744058825760553103672721420233350419993528385934818031315990926014158275903174254710265406094573635839151374998113613074439388256565060926983837519111817479155803889651620050287245959136751723630796369130112917782085245493414444086416431320895072125862670077114607503561418758574291798936883262171187371636989748553537568080525791048271129571416818486754375496463900826225619477133286833336657877626582985014540137338259360025170861861070832594645933106279807822984170669876020976481066684444524071506201397851247540240215512357900566575842084751381362147263146116409727807176708884258891720049413860144151776845946128741646787308061934161312418322102319026087247607859761397502781964637766601375468262589978814230360203352172821808655268320939473925719976982862288372020167461813850472731472983610318672009789671015376697045382561450395869083617989039433400207771149694523508555163511692515919198077559088126461453302973052983081452894083929042613325373945274996101851956370381447156501423298934764793241605879071483514925213930027051123503759092849230126700500531455984382070913854999795532029332405146937373494898407118835983144643545000679221947836368748085167122494237748327744307004131398844128696878198241437760565089191938075571783895585781226821556576841"},"decimal":false,"detail":2}}'